tolstoy21 Posted September 4, 2021 Share Posted September 4, 2021 (edited) I see a lot of stuff on the inter-webs about this topic in regards to neon tetras specifically, but am trying to determine if this is a general trait of all tetra species, or just is it just specific to neons. Does anyone have experience breeding tetra species that can shed some light on this topic or share a link to some good, trustworthy information? Edited September 4, 2021 by tolstoy21 1 Link to comment Share on other sites More sharing options...
Atitagain Posted September 4, 2021 Share Posted September 4, 2021 Just started trying to breed rummynose and everyone says they are also light sensitive eggs. I don’t have a link but try Marks Aquatics on YouTube ive been really liking his content on breeding tetras. 1 Link to comment Share on other sites More sharing options...
tolstoy21 Posted September 4, 2021 Author Share Posted September 4, 2021 On 9/4/2021 at 8:55 AM, Atitagain said: I don’t have a link but try Marks Aquatics on YouTube I've been really liking his content on breeding tetras. Yeah, I've watched a lot of his content too. Good channel. I've started trying to breed the Inpaichthys Kerri "super-blue" tetra. I think I have some fry this go around and will post back here if I do. I started with the total blackout for the first three days and now I'm slowly introducing light day-by-day. I was just curious if i even need to do this, and if so, what are people experiences with how to acclimate fry to light, etc. Anyway, thanks for the response! Link to comment Share on other sites More sharing options...
Atitagain Posted September 4, 2021 Share Posted September 4, 2021 @tolstoy21yea plz post pics I looked them up very beautiful fish. And would love any more content (tips tricks)on egg scatters. This is my first go with them. Link to comment Share on other sites More sharing options...
tolstoy21 Posted September 4, 2021 Author Share Posted September 4, 2021 @AtitagainNo problem. I'm pretty sure I saw fry in there when I peeked this morning. Once then lights are on a little brighter in a few days, I'll take some pics and post a thread. I've bred egg scatterers before, but this is my first tetra species attempt. 1 Link to comment Share on other sites More sharing options...
RyanM Posted August 7, 2022 Share Posted August 7, 2022 How did you go with the light sensitivity? I have just done Black Skirt tetras and Neons yesterday for the first time. I have eggs and they are in tanks with the parents out and a towel around the tank. I am not sure on how sensitive these guys are to light so keeping them in darkness at the moment. Link to comment Share on other sites More sharing options...
tolstoy21 Posted August 7, 2022 Author Share Posted August 7, 2022 (edited) @RyanM I'm specifically breeding Kerri Tetras, and you know, I really just don't know yet what their light sensitivity is. I've bred quite a few batches of these fish thus far. However, the parents deposit the eggs into a very heavy layer of live sphagnum moss. I don't turn off or even dim the lights. But I'm not sure what the light penetration is into the moss layer. I'm going to say that they are not light-sensitive, but I just don't know for sure. Edited August 7, 2022 by tolstoy21 Link to comment Share on other sites More sharing options...
RyanM Posted August 8, 2022 Share Posted August 8, 2022 On 8/7/2022 at 6:21 PM, tolstoy21 said: @RyanM I'm specifically breeding Kerri Tetras, and you know, I really just don't know yet what their light sensitivity is. I've bred quite a few batches of these fish thus far. However, the parents deposit the eggs into a very heavy layer of live sphagnum moss. I don't turn off or even dim the lights. But I'm not sure what the light penetration is into the moss layer. I'm going to say that they are not light-sensitive, but I just don't know for sure. No worries. I'm resisting the urge to shine lights on mine and keeping it covered. Cheers for the reply. Link to comment Share on other sites More sharing options...
tolstoy21 Posted August 8, 2022 Author Share Posted August 8, 2022 (edited) @RyanM I'm going to guess, and I emphasize 'guess', that light sensitivity is highly dependent on the specific tetra species. But I honestly only breed one type, so it's all i have experience with tetras thus far. If you're into tinkering, do a batch without light, one with subdued lighting, and then one with normal light and observe the results. This way you'll know and can cut out an extraneous step in the future. I personally like to run experiments so I have a good handle on things. Probably an artifact of my IT engineering/development background. I hate not understanding what affects outcomes with certainty and then operationalizing superfluous steps. But that's just me. Not sure if that's a personality feature or bug! Edited August 8, 2022 by tolstoy21 1 Link to comment Share on other sites More sharing options...
RyanM Posted August 9, 2022 Share Posted August 9, 2022 It is hard to find peer reviewed articles on Google scholar on it as well. Just had a mostly unfertilized batch this time.(1st spawn so was expecting that) Will try again with your suggestion of experimenting with light starting with no light in two weeks time on high protein diet. Or the elif light==0 Cheers 🙂 Link to comment Share on other sites More sharing options...
tolstoy21 Posted August 9, 2022 Author Share Posted August 9, 2022 On 8/9/2022 at 1:02 AM, RyanM said: elif light==0 😉 Link to comment Share on other sites More sharing options...
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